Top Science News

August 15, 2026

Top Headlines

Scientists Detect a Surprising Shift in Human Blood as Atmospheric CO2 Rises

Aug. 15, 2026 Rising carbon dioxide in the atmosphere may be leaving a measurable imprint inside the human body. Researchers analyzing more than two decades of U.S. health data found that blood bicarbonate levels ...

When Gut Microbes Run Low on Fiber, They May Start Eating You

Aug. 15, 2026 Gut microbes need something to eat, and when fiber is limited, they may begin consuming proteins from the mucus lining that protects the gut. Researchers found that fiber can suppress this process, while indigestible plant proteins help microbes ...

A 30-year-old Fossil Was Hiding Bones from a Mysterious Ancient Sea Monster

Aug. 15, 2026 Fossils collected in Osaka more than 30 years ago have revealed a surprise hiding in plain sight: four previously unrecognized bones from a giant Cretaceous mosasaur. Among them is the first confirmed premaxilla—the frontmost bone of the upper ...

Common Food Preservative Linked to Rising Suicide Deaths Among Young People

Aug. 15, 2026 A widely available food-preservation chemical is emerging as a disturbing factor in rising UK suicide deaths, particularly among younger people and men. Researchers say the scale may be underestimated and are calling for urgent restrictions on ...

A 60-year-old Theory About Ants, Bees and Wasps May Be Wrong

Aug. 15, 2026 Scientists have long thought an unusual genetic system helped ants, bees, and wasps evolve their extraordinary social colonies. A massive new analysis suggests that genetics alone can’t explain it—and the real secret may lie in other traits ...

Scientists Solve the Mystery of a Brain “Switch” That Can Trigger Weight Loss in Opposite Ways

Aug. 15, 2026 Scientists have uncovered why two seemingly opposite ways of targeting the same brain receptor can both promote weight loss. In mice, activating the GIP receptor in the brainstem reduced appetite, ...

Immune Cells Flood Into the Aging Brain, Stanford Scientists Discover

Aug. 14, 2026 Scientists have discovered that the aging human brain may be far less isolated from the rest of the body than once believed. Stanford researchers found that large numbers of immune cells from the blood begin entering the brain as early as middle ...

Scientists Detect a Nuclear Reactor’s Ghostly Afterglow for the First Time

Aug. 14, 2026 Nuclear reactors may go dark, but their fuel continues producing a faint antineutrino “glow” long after shutdown. Researchers have now detected that residual signal for the first time, finding it ...

World’s First Superconducting Quantum Heat Engine Could Help Unlock Massive Quantum Computers

Aug. 14, 2026 A tiny superconducting engine has successfully converted heat near absolute zero into useful work, demonstrating the first cyclic quantum heat engine of its kind. Future versions could operate ...

Taking the Stairs Could Protect Your Heart and Help You Live Longer

Aug. 14, 2026 Simply choosing the stairs could have surprisingly big benefits for your heart and longevity. A large analysis involving more than 480,000 people found that regular stair climbers were 39% less likely to die from cardiovascular disease and 24% less ...

A Stress Hormone May Help the Brain Repair Itself

Aug. 14, 2026 A surprising stress-related signal may help the brain repair itself after injury. Researchers found that myelin-producing precursor cells rapidly release the stress hormone CRH near damaged brain tissue, helping control how those cells mature and ...

Women Taking Estrogen Had Fewer Signs of Alzheimer’s in Their Brains

Aug. 14, 2026 Women who used estrogen-only hormone therapy later in life were less likely to develop dementia and showed fewer signs of Alzheimer’s disease in their brains, according to a large study of more than 21,000 participants. Hormone therapy use was ...

Latest Headlines

updated 10:40am EDT

Paleontology Rocked by Organic Molecules Found in 66-Million-Year-Old Dinosaur Bones

Aug. 14, 2026 Researchers have found strong evidence that original collagen can survive inside dinosaur fossils for tens of millions of years, overturning a ...

Neptune’s Tiny Moons May Be the Wreckage of Shattered Ancient Worlds

Aug. 14, 2026 JWST has uncovered surprising clues that Neptune’s strange inner moons may be the wreckage of an ancient cosmic catastrophe. Researchers detected clay-like minerals on Larissa, Galatea, and ...

A Massive New Cosmic Map Is Revealing Black Holes, Rare Stars, and Hidden Gas

Aug. 14, 2026 Astronomers have released more than three million new spectra in a sweeping expansion that, for the first time, brings SDSS-V optical observations to ...

One Faulty Gene Copy Can Make the Heart’s DNA Fold the Wrong Way

Aug. 13, 2026 Researchers have discovered that a gene linked to congenital heart disease acts like an architect for the heart cell’s DNA. Losing just one copy of TBX5 can cause the genome’s carefully folded 3D ...

NASA’s Perseverance Rover Watches Earth Vanish from the Surface of Mars

Aug. 13, 2026 NASA’s Perseverance rover caught a striking first from Mars: Earth disappearing behind the tiny moon Phobos. Seen from nearly 195 million miles away, our planet was reduced to a single point of ...

JWST Spots a Bizarre “black Hole Star” 100 Billion Times Brighter Than a Star

Aug. 13, 2026 Astronomers using the James Webb Space Telescope have discovered a bizarre object from just a few hundred million years after the Big Bang that looks ...

A 236-Million-Year-Old Fossil Could Rewrite the Story of Mammalian Birth

Aug. 13, 2026 Scientists may have uncovered evidence that a mammal ancestor was giving birth to live young 236 million years ago. A fossilized cynodont showed a neonatal growth line and an unusually large birth ...

A Surprising Brain Discovery Could Help Explain Why We Overeat Fatty Foods

Aug. 13, 2026 A protein inside appetite-controlling brain cells may play an important role in preventing overeating and obesity, particularly when high-fat foods are readily available. Unexpected differences ...

Human Brain Cells Are Far More Powerful Than Scientists Thought

Aug. 13, 2026 A single human brain cell may be far more powerful than scientists once realized. Researchers found that cortical neurons can perform remarkably complex computations, giving them capabilities more ...

Why Your Brain Keeps Making the Same Decisions – Even When Better Options Exist

Aug. 12, 2026 Why do we keep making the same choices even when better options are available? Researchers found that simply repeating a decision can reshape what we ...

A Strange Crystal Made of Electrons Just Revealed Its Hidden Motion

Aug. 12, 2026 Physicists have found a new way to peer inside one of matter’s most elusive quantum states: the Wigner crystal, where electrons stop behaving like independent particles and organize into a ...

James Webb Captures a Cosmic Lion Sculpted by a Dying Star

Aug. 12, 2026 James Webb has captured a striking new infrared view of NGC 2392, the Lion Nebula, revealing the dramatic aftermath of a dying Sun-like star. At its center, a scorching white dwarf is blasting ...

The Adult Brain Can Repair Itself Better Than Scientists Thought

Aug. 12, 2026 The adult brain may be far better at repairing itself than scientists once believed. In mice, researchers discovered a special group of support cells called astrocytes that respond to damaged brain ...

Dogs Can Tell Fear from Sadness — and Scientists Saw It in Their Brains

Aug. 11, 2026 Dogs may understand our emotions more deeply than scientists realized. Brain scans show that happy human faces activate regions in dogs linked to higher-level processing and reward, suggesting that ...

King Harold May Have Lost England by Backing the Wrong Pope

Aug. 11, 2026 A forgotten fragment of a lost papal letter is offering a surprising new explanation for the Norman Conquest. England may have backed the wrong pope during a bitter religious power struggle, giving ...

For 15,000 Years, Humans and Dogs Have Been Changing Each Other

Aug. 10, 2026 Dogs have been shaping—and being shaped by—humans for about 15,000 years, evolving from early partners of hunter-gatherers into an astonishing range of specialized companions. Across the globe, ...

Scientists Discover a Hidden Switch Inside Silver Nanocatalysts

Aug. 10, 2026 Silver nanocatalysts have been found to switch where they perform their most important reactions depending on whether a solid oxide cell is making electricity or hydrogen. The discovery could enable ...

Sunlight Creates Quantum Entanglement Once Thought to Require Lasers

Aug. 7, 2026 Scientists have generated quantum entanglement directly from sunlight, potentially offering a lower-energy alternative to the lasers normally used in quantum technology. Their outdoor experiment ...

A Drug Already Used for Osteoporosis Blocked Spinal Damage in a New Study

Aug. 6, 2026 Genetic changes may set off a chain reaction that causes the spine’s natural shock absorbers to harden and deteriorate. Zebrafish with a faulty collagen-related gene developed mineral buildup and ...

Scientists Find Evidence for Two Origins of Life on Earth

Aug. 12, 2026 Scientists probing life’s deepest origins have uncovered evidence that the first free-living cells may have emerged not once, but twice. The findings suggest a striking possibility: life may share ...

The Sun Will Vanish Over Europe in a Rare Total Solar Eclipse: Watch Live

Aug. 10, 2026 A total solar eclipse will plunge parts of Europe into darkness on August 12, 2026, with Spain offering some of the best views. ESA will livestream the spectacle from the Javalambre Observatory, ...

The Dodo Bird Had a Secret Sensory World Scientists Are Only Now Discovering

Aug. 8, 2026 CT scans of the world’s rarest dodo skulls suggest the extinct bird may have had a stronger sense of smell, a highly sensitive beak, and a lifestyle that extended into dawn and dusk. The ...

The Sun Is Covered in Tiny Whirlpools We’ve Never Seen Before

Aug. 8, 2026 Scientists have discovered incredibly tiny plasma whirlpools swirling across the Sun’s surface, some just 20 kilometers wide. These previously invisible vortices may twist magnetic fields and help ...

Dinosaurs Became Giants — So Why Did They Never Become Tiny?

Aug. 9, 2026 Dinosaurs conquered the land at enormous sizes, but strangely, they almost never evolved into truly tiny animals. New research suggests that physiology alone can’t explain this missing miniature ...

Scientists Turn Starlink Into a Giant Scanner for Earth’s Upper Atmosphere

Aug. 12, 2026 Researchers have found a clever new way to map a part of Earth’s upper atmosphere that is notoriously difficult to observe. Using orbital data from roughly 1,200 Starlink satellites, they ...

Scientists Discover the Brain Cells That Keep You Motivated

Aug. 5, 2026 A group of brain cells called orexin neurons appears to help us keep working when reaching a reward becomes increasingly difficult. Blocking their activity weakened motivation in rats, pointing to a ...

80-Million-Year-Old Snake Brain Reveals a Surprising Evolutionary Secret

Aug. 5, 2026 An exceptionally preserved snake fossil from Brazil reveals that early snakes were far more diverse than scientists once thought. Detailed brain reconstructions show that Tametara mirim was adapted ...

Forget the Sperm Race: Fertilization May Depend on Teamwork

Aug. 6, 2026 Millions of sperm do not always compete alone—some species send them into action as coordinated teams. A sweeping evolutionary study found that this cooperation is widespread among arthropods and ...

A Solar Eclipse and the Perseid Meteor Shower Arrive on the Same Day

Aug. 5, 2026 August brings four major celestial events, including a solar eclipse and the peak of the Perseid meteor shower. Dark New Moon skies could make the Perseids especially impressive, while Venus will ...

Ancient Arctic Carbon Is Pouring Into the Sea, but the Seabed Captures Most of It

Aug. 3, 2026 Thawing Arctic permafrost is releasing ancient carbon into the ocean, raising fears that microbes could turn it into greenhouse gases and accelerate climate change. But sediment cores collected near ...